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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [devs/] [flash/] [synthv2/] [current/] [tests/] [flash1.c] - Rev 786
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/* Hey, the copyright is usefull for something! */ static char copyright[] = "//==========================================================================" "//" "// flash1.c" "//" "// Test flash operations for the synth target synth flash driver" "//" "//==========================================================================" "// ####ECOSGPLCOPYRIGHTBEGIN#### " "// ------------------------------------------- " "// This file is part of eCos, the Embedded Configurable Operating System. " "// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. " "// " "// eCos is free software; you can redistribute it and/or modify it under " "// the terms of the GNU General Public License as published by the Free " "// Software Foundation; either version 2 or (at your option) any later " "// version. " "// " "// eCos is distributed in the hope that it will be useful, but WITHOUT " "// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or " "// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License " "// for more details. " "// " "// You should have received a copy of the GNU General Public License " "// along with eCos; if not, write to the Free Software Foundation, Inc., " "// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. " "// " "// As a special exception, if other files instantiate templates or use " "// macros or inline functions from this file, or you compile this file " "// and link it with other works to produce a work based on this file, " "// this file does not by itself cause the resulting work to be covered by " "// the GNU General Public License. However the source code for this file " "// must still be made available in accordance with section (3) of the GNU " "// General Public License v2. " "// " "// This exception does not invalidate any other reasons why a work based " "// on this file might be covered by the GNU General Public License. " "// ------------------------------------------- " "// ####ECOSGPLCOPYRIGHTEND#### " "//==========================================================================" "//#####DESCRIPTIONBEGIN####" "//" "// Author(s): andrew.lunn@ascom.ch" "// Contributors: andrew.lunn" "// Date: 2000-10-31" "// Purpose: Test a flash driver" "// Description: Try out a number of flash operations and make sure" "// what is in the flash is what we expeect." "// " "//####DESCRIPTIONEND####" "//" "//==========================================================================" ; #include <cyg/io/flash.h> #include <cyg/infra/testcase.h> #include <cyg/infra/diag.h> #include <string.h> #ifndef CYGINT_ISO_STRING_STRFUNCS # define NA_MSG "Need string functions for test" #endif #ifndef CYGSEM_IO_FLASH_LEGACY_API # define NA_MSG "Need legacy IO FLASH API for test" #endif #ifdef NA_MSG void cyg_user_start(void) { CYG_TEST_INIT(); CYG_TEST_NA( NA_MSG ); } #else //========================================================================== // main void cyg_user_start(void) { int ret; #ifdef CYGHWR_IO_FLASH_DEVICE_LEGACY char data[1024]; #endif void *flash_start, *flash_end; int block_size, blocks; char *prog_start; unsigned char * ptr; CYG_TEST_INIT(); ret=flash_init((_printf *)diag_printf); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_init"); #ifdef CYGHWR_IO_FLASH_DEVICE_LEGACY //Strictly speaking, this is a device driver call, not a user API call. flash_dev_query(data); CYG_TEST_PASS_FAIL(!strncmp(data,"Linux Synthetic Flash",sizeof(data)), "flash_query"); #endif ret = flash_get_limits(NULL,&flash_start,&flash_end); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_limits"); ret = flash_get_block_info(&block_size, &blocks); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_block_info"); /* Erase the whole flash. Not recommended on real hardware since this will probably erase the bootloader etc!!! */ ret=flash_erase(flash_start,block_size * blocks,NULL); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase1"); /* check that its actually been erased, and test the mmap area */ for (ptr=flash_start,ret=0; ptr < (unsigned char *)flash_end; ptr++) { if (*ptr != 0xff) { ret++; } } CYG_TEST_PASS_FAIL((ret == 0),"flash empty check"); ret = flash_program(flash_start,©right,sizeof(copyright),NULL); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program1"); /* Check the contents made it into the flash */ CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)), "flash program contents"); /* .. and check nothing else changed */ for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0; ptr < (unsigned char *)flash_end; ptr++) { if (*ptr != 0xff) { ret++; } } CYG_TEST_PASS_FAIL((ret == 0),"flash program overrun check"); /* Program over a block boundary */ prog_start = (char *)flash_start + block_size - sizeof(copyright)/2; ret = flash_program(prog_start,©right,sizeof(copyright),NULL); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program2"); /* Check the first version is still OK */ CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)), "Original contents"); CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)), "New program contents"); /* Check the bit in between is still erased */ for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0; ptr < (unsigned char *)prog_start; ptr++) { if (*ptr != 0xff) { ret++; } } CYG_TEST_PASS_FAIL((ret == 0),"flash erase check1"); /* Erase the second block and make sure the first is not erased */ ret=flash_erase((void *)((unsigned)flash_start+block_size), block_size,NULL); CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase2"); /* Check the erase worked */ for (ptr=(unsigned char *)flash_start+block_size,ret=0; ptr < (unsigned char *)flash_start+block_size*2; ptr++) { if (*ptr != 0xff) { ret++; } } CYG_TEST_PASS_FAIL((ret == 0), "flash erase check2"); /* Lastly check the first half of the copyright message is still there */ CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)/2), "Block 1 OK"); #if 0 /* This test it fatal! Its not run by default! Check the flash is read only, by trying to write to it. We expect to get an exception */ *(char *)flash_start = 'a'; #endif CYG_TEST_PASS_FINISH("flash1"); } #endif /* ifndef NA_MSG */ /* EOF flash1.c */